Page 407 of 508

4077-2. Steps to take in an emergency
PRIUS +_OM_OM47B24E_(EE)
7
When trouble arises
Shift control system malfunction A buzzer also sounds.
→ Have the vehicle inspected by any autho-
rized Toyota dealer or repairer, or another
duly qualified and equipped professional.
• The hybrid system may not be able to start.
• The parking lock mechanism may not func- tion. When parking, choose a level location
and apply the parking brake securely.
• The power switch may not be able to be turned off. In this case, the power switch
may be turned off by applying the parking
brake.
Shift control system malfunction A buzzer also sounds.
→ Have the vehicle inspected by any autho-
rized Toyota dealer or repairer, or another
duly qualified and equipped professional
immediately. If not inspected, vehicle sys-
tems may stop operating normally.
Shift control system communication malfunction
A buzzer also sounds.
→ Have the vehicle inspected by any autho-
rized Toyota dealer or repairer, or another
duly qualified and equipped professional.
• The hybrid system may not be able to start.
• May not be switched to the P position. When parking, choose a level location and
apply the parking brake securely.
• The automatically P position selection func-
tion ( →P. 219) may not function. Before
turning the power switch off, securely press
the P position switch, and be sure to check
that the shift position is in P by verifying the
shift position or P position switch operation
indicator lights.
• The power switch may not be able to be turned off. In this case, the power switch
may be turned off by applying the parking
brake.
Warning messageDetails/Actions
Page 409 of 508
4097-2. Steps to take in an emergency
PRIUS +_OM_OM47B24E_(EE)
7
When trouble arises
Carrying out the corresponding action turns the messages off.
Other displayed messages
Displayed messageDetails/Actions
Maintenance of the hybrid battery (traction bat-
tery) cooling component is requiredThe filter may be clogged, the air intake vent
may be blocked or there may be a gap in the
duct.
→ Have maintenance performed on the hybrid
battery (traction battery) cooling compo-
nent at any authorized Toyota dealer or
repairer, or another duly qualified and
equipped professional.
Indicates that the EV drive mode is not available*
The reason the EV drive mode is not available
(the vehicle is idling, battery charge is low,
speed is higher than the EV drive mode operat-
ing speed range, accelerator pedal is
depressed too much) may be displayed.
A buzzer also sounds.
→ Use the EV drive mode when it becomes
available.
Page 413 of 508
4137-2. Steps to take in an emergency
PRIUS +_OM_OM47B24E_(EE)
7
When trouble arises
Once3 times
The electronic key was carried
outside the vehicle and a door
other than the driver’s door was
opened and closed while the
power switch was in a mode
other than off.
→Bring the electronic key
back into the vehicle.
The electronic key was carried
outside the vehicle and the
driver’s door was opened and
closed while the shift position P
was selected without turning off
the power switch.
→Turn the power switch off.
→ Bring the electronic key
back into the vehicle.
Once
Sounds
once for 5
seconds
An attempt was made to exit
the vehicle with the electronic
key and lock the doors without
first turning the power switch
off.
→Turn the power switch off
and lock the doors again.
Interior
buzzerExterior buzzerWarning messageDetails/Actions
(Flashes)
(Displayed alternately)
(Flashes)
Page 414 of 508
4147-2. Steps to take in an emergency
PRIUS +_OM_OM47B24E_(EE)
Once
Sounds
once for 5
seconds
• An attempt was made to lockthe doors using the smart
entry & start system while the
electronic key was still inside
the vehicle.
• An attempt was made to lock either front door by opening a
door and putting the inside
lock button into the lock posi-
tion, then closing the door by
pulling on the outside door
handle with the electronic key
still inside the vehicle.
→ Retrieve the electronic key
from the vehicle and lock
the doors again.
Once
• When the doors were
unlocked with the mechanical
key and then the power
switch was pressed, the elec-
tronic key could not be
detected in the vehicle.
• The electronic key could not
be detected in the vehicle
even after the power switch
was pressed two consecu-
tive times.
→ Touch the electronic key to
the power switch while
depressing the brake
pedal.
Interior
buzzerExterior buzzerWarning messageDetails/Actions
(Flashes)
(Flashes)
Page 436 of 508
4367-2. Steps to take in an emergency
PRIUS +_OM_OM47B24E_(EE)
Remove the protective film from
the bottle and extend the hose.
Remove the air release cap
from the hose.
Attach the sticker enclosed with the
bottle on the specified locations.
(See step .)
You will use the air release cap
again. Therefore keep it in a safe
place.
Connect the hose to the valve.
Screw the end of the hose clock-
wise as far as possible.
Make sure that the compressor
switch is off.
Open the cover and remove the
power plug from the compres-
sor.
3
9
4
5
6
Page 450 of 508

4507-2. Steps to take in an emergency
PRIUS +_OM_OM47B24E_(EE)
If the electronic key does not operate
properly
Use the mechanical key (→P. 141)
in order to perform the following
operations:
Locks all the doors
Unlocks all the doors
Ensure that the shift position is in P and depress the brake pedal.
Touch the Toyota emblem side
of the electronic key to the
power switch.
When the electronic key is
detected, a buzzer sounds and the
power switch will turn to ON mode.
When the smart entry & start sys-
tem is deactivated in customization
setting, the power switch will turn
to ACCESSORY mode.
Firmly depress the brake pedal and check that the smart entry &
start system indicator light (green) turns on (vehicles without multi-
information display) or is shown on the multi-information
display (vehicles with multi-information display).
If communication between the electronic key and vehicle is inter-
rupted ( →P. 156) or the electronic key cannot be used because the
battery is depleted, the smart entry & start system and wireless
remote control cannot be used. In such cases, the doors can be
opened and the hybrid system can be started by following the pro-
cedure below.
Locking and unlocking the doors
1
2
Starting the hybrid system
1
2
3
Page 451 of 508

4517-2. Steps to take in an emergency
PRIUS +_OM_OM47B24E_(EE)
7
When trouble arises
Press the power switch.
In the event that the hybrid system still cannot be operated, contact
any authorized Toyota dealer or repairer, or another duly qualified and
equipped professional.
■ Stopping the hybrid system
Set the parking brake, shift the shift position to P and press the power switch
as you normally do when stopping the hybrid system.
■ Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the
electronic key battery be replaced imm ediately when the battery is depleted.
( → P. 361)
■ Alarm (if equipped)
Using the mechanical key to lock the doors will not set the alarm system.
If a door is unlocked using the mechanical key when the alarm system is set,
the alarm may be triggered. ( →P. 98)
■ Changing power switch modes
Release the brake pedal and press the power switch in step
above.
The hybrid system does not start and modes will be changed each time the
switch is pressed. ( →P. 210)
■ When the electronic key does not work properly
●Make sure that the smart entry & start system has not been deactivated in
the customization setting. If it is off, turn the function on.
(Customizable features: →P. 477)
● Check if battery-saving mode is set. If it is set, cancel the function.
(→ P. 155)
4
3
Page 452 of 508
4527-2. Steps to take in an emergency
PRIUS +_OM_OM47B24E_(EE)
If the 12-volt batter y is discharged
If you have a set of jumper (or booster) cables and a second vehicle
with a 12-volt battery, you can jump start your vehicle by following the
steps below.Vehicles with alarm ( →P. 98):
Confirm that the electronic key
is being carried.
When connecting the jumper (or
booster) cables, depending on the
situation, the alarm may activate
and doors locked. ( →P. 100)
Open the hood ( →P. 323) and
fuse box cover.
When closing, first hook the lid
onto the two rear tabs.
Open the exclusive jump start-
ing terminal cover.
The following procedures may be used to start the hybrid sys-
tem if the vehicle’s 12-volt battery is discharged.
You can also call any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional.
1
2
3